| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [no cls] [pron] [modal v] [verb] | 157 |
|
| 2 | [no cls] [pron] [modal v] [verb] a | 144 |
|
| 3 | [modal v] [pron] [modal v] [verb] a | 34 |
|
